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Public water system · NM3501814

Active

Cook Canyon Ranch

At a glance

Cook Canyon Ranch (PWSID NM3501814) is an active transient non-community water system in Lincoln County, New Mexico. It reports serving 450 people through 24 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2014.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

450

Service connections

24

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNM3501814
System typeTransient non-community water system
Activity statusActive
Population served450
Service connections24
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNM state drinking water program
City servedRuidoso Downs
StateNew Mexico
ZIP—
CountyLincoln County

How does Cook Canyon Ranch compare with other water systems in Lincoln County?

By EPA's size categories, Cook Canyon Ranch is a very small system (500 people or fewer). Lincoln County has 53 active public water systems. Its population served is about 33% below the county average of 675 people per system, and accounts for 1.3% of the 35,786 people reported by systems filed under the county. Across New Mexico, the 1,165 active systems average 1,885 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Cook Canyon Ranch is about 3.1 times that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Mexico has 369 active transient non-community water systems, 32% of the state's 1,165 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,009 New Mexico systems (87%) list groundwater as their primary source.

Who owns and regulates Cook Canyon Ranch?

EPA lists Cook Canyon Ranch as privately owned. The NM state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 36 of the 53 active systems in Lincoln County (68%) are also privately owned.

Does Cook Canyon Ranch have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2014. The violations listed here began between October 2012 and September 2014. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2014-09-06Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2014-09-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2012-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Cook Canyon Ranch: frequently asked questions

Who runs Cook Canyon Ranch?

Cook Canyon Ranch (PWSID NM3501814) is a transient non-community water system privately owned. It is regulated by the NM state drinking water program.

How many people does Cook Canyon Ranch serve?

Cook Canyon Ranch reports serving 450 people through 24 service connections in Lincoln County, New Mexico.

Where does Cook Canyon Ranch get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Cook Canyon Ranch have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2014. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Cook Canyon Ranch's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2014. For current results, consult EPA ECHO, or the NM state drinking water program.

Where can I find Cook Canyon Ranch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cook Canyon Ranch is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Lincoln County

Water systemCountyPopulation servedTypeSource
Ruidoso Water SystemLincoln15,947CommunitySurface water
Ruidoso Downs RacetrackLincoln3,200Non-transient non-communityGroundwater
Alto Lakes Water and Sanitation DistrictLincoln2,870CommunityGroundwater
Ruidoso Downs Water SystemLincoln2,146CommunityGroundwater
Capitan Water SystemLincoln1,821CommunityGroundwater
Carrizozo Water SystemLincoln1,136CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Cook Canyon Ranch, PWSID NM3501814, New Mexico”, https://aquacensus.com/water-systems/new-mexico/cook-canyon-ranch-nm3501814 (data as of October 1, 2026).